PTHREAD_KILL(3) | Library Functions Manual | PTHREAD_KILL(3)

# NAME

pthread_kill — send a signal to a specified thread

# LIBRARY

POSIX Threads Library (libpthread, -lpthread)

# SYNOPSIS

#include <pthread.h>
#include <signal.h>

int
pthread_kill(pthread_t thread, int sig);

# DESCRIPTION

The pthread_kill() function sends a signal, specified by sig, to a thread, specified by thread. The signal will be handled in the context of thread, but the signal action may alter the process as a whole. If sig is 0, error checking is performed, but no signal is actually sent.

# RETURN VALUES

If successful, pthread_kill() returns 0. Otherwise, an error number is returned.

# ERRORS

pthread_kill() shall fail if:

[EINVAL]
  sig is an invalid or unsupported signal number.
[ESRCH]
  thread is an invalid thread ID.

# SEE ALSO

kill(2), sigwait(2), pthread_self(3), raise(3)

# STANDARDS

The function conforms to IEEE Std 1003.1-2001 (“POSIX.1”).

July 9, 2010 | NetBSD 7.2